package com.example.lenovo.helloworld;

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.Toast;


public class MainActivity extends Activity {
     private EditText editText;
    private ImageView imageView;
    private ProgressBar progressBar;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button button = (Button) findViewById(R.id.button);
        editText = (EditText) findViewById(R.id.editText2);
        imageView = (ImageView) findViewById(R.id.imageView);
        progressBar = (ProgressBar) findViewById(R.id.progressBar);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                switch (v.getId()){
                    case R.id.button:
                        ProgressDialog progressDialog = new ProgressDialog(MainActivity.this);
                        progressDialog.setTitle("This is ProgressDialog");
                        progressDialog.setMessage("Loading.....");
                        progressDialog.setCancelable(true);
                        progressDialog.show();
                        if(progressBar.getVisibility() == View.GONE){
                            progressBar.setVisibility(View.VISIBLE);
                        }else{
                            progressBar.setVisibility(View.GONE);
                        }
                        imageView.setImageResource(R.drawable.img_2);
                        String inputText = editText.getText().toString();
                        Toast.makeText(MainActivity.this,inputText,Toast.LENGTH_SHORT).show();
                        break;
                    default:
                        break;
                }
            }
        });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}
